1--  Copyright 2009-2020 Free Software Foundation, Inc.
2--
3--  This program is free software; you can redistribute it and/or modify
4--  it under the terms of the GNU General Public License as published by
5--  the Free Software Foundation; either version 3 of the License, or
6--  (at your option) any later version.
7--
8--  This program is distributed in the hope that it will be useful,
9--  but WITHOUT ANY WARRANTY; without even the implied warranty of
10--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11--  GNU General Public License for more details.
12--
13--  You should have received a copy of the GNU General Public License
14--  along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16--  This program declares a bunch of unconstrained objects and
17--  discrinimated records; the goal is to check that GDB does not crash
18--  when printing them even if they are not initialized.
19
20with Parse_Controlled;
21
22procedure Parse is -- START
23
24   A  : aliased Integer := 1;
25
26   type Access_Type is access all Integer;
27
28   type String_Access is access String;
29
30   type My_Record is record
31      Field1 : Access_Type;
32      Field2 : String (1 .. 2);
33   end record;
34
35   type Discriminants_Record (A : Integer; B : Boolean) is record
36      C : Float;
37   end record;
38   Z : Discriminants_Record := (A => 1, B => False, C => 2.0);
39
40   type Variable_Record (A : Boolean := True) is record
41      case A is
42         when True =>
43            B : Integer;
44         when False =>
45            C : Float;
46            D : Integer;
47      end case;
48   end record;
49   Y  : Variable_Record := (A => True, B => 1);
50   Y2 : Variable_Record := (A => False, C => 1.0, D => 2);
51   Nv : Parse_Controlled.Null_Variant;
52
53   type Union_Type (A : Boolean := False) is record
54      case A is
55         when True  => B : Integer;
56         when False => C : Float;
57      end case;
58   end record;
59   pragma Unchecked_Union (Union_Type);
60   Ut : Union_Type := (A => True, B => 3);
61
62   type Tagged_Type is tagged record
63      A : Integer;
64      B : Character;
65   end record;
66   Tt : Tagged_Type := (A => 2, B => 'C');
67
68   type Child_Tagged_Type is new Tagged_Type with record
69      C : Float;
70   end record;
71   Ctt : Child_Tagged_Type := (Tt with C => 4.5);
72
73   type Child_Tagged_Type2 is new Tagged_Type with null record;
74   Ctt2 : Child_Tagged_Type2 := (Tt with null record);
75
76   type My_Record_Array is array (Natural range <>) of My_Record;
77   W : My_Record_Array := ((Field1 => A'Access, Field2 => "ab"),
78                           (Field1 => A'Access, Field2 => "rt"));
79
80   type Discriminant_Record (Num1, Num2,
81                             Num3, Num4 : Natural) is record
82      Field1 : My_Record_Array (1 .. Num2);
83      Field2 : My_Record_Array (Num1 .. 10);
84      Field3 : My_Record_Array (Num1 .. Num2);
85      Field4 : My_Record_Array (Num3 .. Num2);
86      Field5 : My_Record_Array (Num4 .. Num2);
87   end record;
88   Dire : Discriminant_Record (1, 7, 3, 0);
89
90   type Null_Variant_Part (Discr : Integer) is record
91      case Discr is
92         when 1 => Var_1 : Integer;
93         when 2 => Var_2 : Boolean;
94         when others => null;
95      end case;
96   end record;
97   Nvp : Null_Variant_Part (3);
98
99   type T_Type is array (Positive range <>) of Integer;
100   type T_Ptr_Type is access T_Type;
101
102   T_Ptr : T_Ptr_Type := new T_Type' (13, 17);
103   T_Ptr2 : T_Ptr_Type := new T_Type' (2 => 13, 3 => 17);
104
105   function Foos return String is
106   begin
107      return "string";
108   end Foos;
109
110   My_Str : String := Foos;
111
112   type Value_Var_Type is ( V_Null, V_Boolean, V_Integer );
113   type Value_Type( Var : Value_Var_Type := V_Null ) is
114      record
115         case Var is
116            when V_Null =>
117               null;
118            when V_Boolean =>
119               Boolean_Value : Boolean;
120            when V_Integer =>
121               Integer_Value : Integer;
122         end case;
123      end record;
124   NBI_N : Value_Type := (Var => V_Null);
125   NBI_I : Value_Type := (Var => V_Integer, Integer_Value => 18);
126   NBI_B : Value_Type := (Var => V_Boolean, Boolean_Value => True);
127
128begin
129   null;
130end Parse;
131